SAGA_RetII_000001
Original Names

taken from 2 paper(s):

/A.P.Ji et al.(2016)/ /A.P.Ji et al.(2016)/


A.P.Ji et al.,Nature, 531, 610, 2016 (B0131,ADS)

R-process enrichment from a single event in an ancient dwarf galaxy


Stellar Parameters

Teff : 5395+-249 log g : 3.10+-0.40 vturb : 1.35+-0.42

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
Fe I31-2.77+-0.36......-2.77+-0.36...4.73+-0.36Fe I
Ba4...1.40+-0.240.81-1.371.40+-0.240.81Ba
Eu2...2.11+-0.00-0.14-0.662.11+-0.00-0.14Eu

Binary Parameters

Vrad 71.6

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2015-10-01 N/A MIKELCO 28000 7 9000 71.6
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -540558.02 Right Ascension : 033454.24

A.P.Ji et al.,ApJ, 830, 93, 2016 (B0138,ADS)

Complete Element Abundances of Nine Stars in the r-process Galaxy Reticulum II


Stellar Parameters

Teff : 5395+-249 log g : 3.10+-0.40 vturb : 1.35+-0.42

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
C2-1.92+-0.250.85+-0.256.51+-0.25-1.92+-0.250.85+-0.256.51+-0.25C
Na I2-2.88+-0.29-0.11+-0.293.37+-0.29-2.87+-0.29-0.10+-0.293.37+-0.29Na I
Mg I2-2.59+-0.130.17+-0.135.00+-0.13-2.60+-0.130.17+-0.135.00+-0.13Mg I
Al I1<-2.69<0.08<3.76<-2.69<0.08<3.76Al I
Si I1<-0.24<2.53<7.27<-0.24<2.53<7.27Si I
Ca I3-2.35+-0.070.42+-0.073.99+-0.07-2.35+-0.070.42+-0.073.99+-0.07Ca I
Sc II1-2.61+-0.500.16+-0.500.54+-0.50-2.61+-0.500.16+-0.500.54+-0.50Sc II
Ti II9-2.32+-0.280.45+-0.282.63+-0.28-2.32+-0.280.45+-0.282.63+-0.28Ti II
Cr I1-3.27+-0.00-0.50+-0.002.37+-0.00-3.27+-0.00-0.50+-0.002.37+-0.00Cr I
Mn I1<-1.26<1.51<4.17<-1.26<1.51<4.17Mn I
Fe I31-2.77+-0.220.00+-0.224.73+-0.22-2.77+-0.220.00+-0.224.73+-0.22Fe I
Co I1<-1.15<1.62<3.84<-1.15<1.62<3.84Co I
Ni I1<-1.21<1.56<5.01<-1.21<1.56<5.01Ni I
Sr II1-2.47+-0.500.30+-0.500.40+-0.50-2.47+-0.500.30+-0.500.40+-0.50Sr II
Ba II4-1.37+-0.421.40+-0.420.81+-0.42-1.37+-0.421.40+-0.420.81+-0.42Ba II
Eu II2-0.66+-0.382.11+-0.38-0.14+-0.38-0.66+-0.382.11+-0.38-0.14+-0.38Eu II

Binary Parameters

Vrad 71.6+-0.3

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2015-10-01 N/A MIKELCO 28000 7-13 12300 71.6+-0.3
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -540558 Right Ascension : 033454